the vast majority have been carried out in so-called tribal areas on the border with afghanistan there. over the years, the number has gone up steadily. the first few years of the strike 2004 to 2007, just a handful, and we see it going up. 2010, under the obama administration, really rising. but a policy never fully publicly articulated. 118 strikes last year. 45 so far this year. pakistanis said a couple of months ago that they wanted to stop here they ordered the cia out of an air base in pakistan were some of the raids have been launched. by my reckoning, there have been a dozen sense, so have these been done like the big law the raid itself against the will of the pakistan government? we do not know for sure, but we do know that our defensive about it, and last month, for example, john brennan tried to allay concerns and talked about new procedure and said that in the past year there have not been a single collateral death because of the exceptional efficiency and provision -- decision of the capabilities they been able to develop. they say no one has been killed. >> so have they